OpenEXR up to 2.4.0 ImfXdr.h Classifier off-by-one

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenEXR up to 2.4.0. This impacts the function DwaCompressor::Classifier::Classifier of the file ImfXdr.h. Performing a manipulation results in off-by-one. This vulnerability is cataloged as CVE-2020-11765. The attack must be initiated from a local position. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in OpenEXR up to 2.4.0. This affects the function DwaCompressor::Classifier::Classifier of the file ImfXdr.h. The manipulation with an unknown input leads to a off-by-one vulnerability. CWE is classifying the issue as CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. This is going to have an impact on confidentiality. The summary by CVE is:

An issue was discovered in OpenEXR before 2.4.1. There is an off-by-one error in use of the ImfXdr.h read function by DwaCompressor::Classifier::Classifier, leading to an out-of-bounds read.

The weakness was shared 04/14/2020. This vulnerability is uniquely identified as CVE-2020-11765 since 04/14/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 2.4.1 eliminates this vulnerability.

The entries VDB-153128, VDB-153127, VDB-153126 and VDB-153125 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenEXR 2.4.1

Timelineinfo

04/14/2020 🔍
04/14/2020 +0 days 🔍
04/15/2020 +1 days 🔍
05/09/2025 +1850 days 🔍

Sourcesinfo

Advisory: USN-4339-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-11765 (🔍)
GCVE (CVE): GCVE-0-2020-11765
GCVE (VulDB): GCVE-100-153129
See also: 🔍

Entryinfo

Created: 04/15/2020 08:17
Updated: 05/09/2025 08:01
Changes: 04/15/2020 08:17 (38), 04/15/2020 08:22 (17), 10/09/2020 16:40 (1), 05/19/2024 07:48 (20), 05/09/2025 08:01 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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